<html>
    <head>
        <title>立星</title>
        <meta charset="utf-8">
    </head>
    <body>
        <h1><center>立星</center></h1>
        <form action="3ds2.php" method='post'>
            <input type='text' name='username'>
            <input type='submit' value='提交'>
        </form>
    </body>
</html>